Reproduction in the Male, Fertilization, and Early Embryonic Development

  • P. D. Sturkie
  • H. Opel
Part of the Springer Advanced Texts in Life Sciences book series (SATLIFE)

Abstract

The reproductive system of the male consists of paired testes, the epididymi, the vasa deferentia (which transport the spermatozoa to the penis), and the penis (Figure 17–1). The testes are near the cephalic end of the kidneys and ventral to them. The weight of the testes in chickens comprises about 1% of the total body weight (Parker, 1949), or about 9–30 g per single testis at sexual maturity, depending on breed, state of nutrition, and other factors. In old cocks testis weight may approach 40–60 g.

Keywords

Estrogen Arginine Beach Fructose Estradiol 

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  • P. D. Sturkie
  • H. Opel

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